US7773879B2 - Digital optical transmitter - Google Patents
Digital optical transmitter Download PDFInfo
- Publication number
- US7773879B2 US7773879B2 US11/931,281 US93128107A US7773879B2 US 7773879 B2 US7773879 B2 US 7773879B2 US 93128107 A US93128107 A US 93128107A US 7773879 B2 US7773879 B2 US 7773879B2
- Authority
- US
- United States
- Prior art keywords
- signal
- digital
- optical
- analog
- pilot tone
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 106
- 239000000835 fiber Substances 0.000 claims abstract description 17
- 238000004891 communication Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims 3
- 238000010168 coupling process Methods 0.000 claims 3
- 238000005859 coupling reaction Methods 0.000 claims 3
- 230000005540 biological transmission Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 8
- 238000011144 upstream manufacturing Methods 0.000 description 4
- 230000001419 dependent effect Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
- H04B10/0779—Monitoring line transmitter or line receiver equipment
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2575—Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier
- H04B10/25751—Optical arrangements for CATV or video distribution
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
- H04B10/501—Structural aspects
- H04B10/503—Laser transmitters
- H04B10/504—Laser transmitters using direct modulation
Abstract
Description
Claims (16)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/931,281 US7773879B2 (en) | 1998-06-22 | 2007-10-31 | Digital optical transmitter |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/102,344 US6373611B1 (en) | 1998-06-22 | 1998-06-22 | Digital optical transmitter |
US09/872,307 US20010026389A1 (en) | 1998-06-22 | 2001-06-01 | Digital optical transmitter |
US10/283,716 US7382981B2 (en) | 1998-06-22 | 2002-10-30 | Digital optical transmitter |
US11/931,281 US7773879B2 (en) | 1998-06-22 | 2007-10-31 | Digital optical transmitter |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/283,716 Continuation US7382981B2 (en) | 1998-06-22 | 2002-10-30 | Digital optical transmitter |
Publications (2)
Publication Number | Publication Date |
---|---|
US20080063403A1 US20080063403A1 (en) | 2008-03-13 |
US7773879B2 true US7773879B2 (en) | 2010-08-10 |
Family
ID=22289365
Family Applications (6)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/102,344 Expired - Lifetime US6373611B1 (en) | 1998-06-22 | 1998-06-22 | Digital optical transmitter |
US09/872,307 Abandoned US20010026389A1 (en) | 1998-06-22 | 2001-06-01 | Digital optical transmitter |
US09/997,068 Expired - Lifetime US6519067B2 (en) | 1998-06-22 | 2001-11-29 | Digital optical transmitter |
US10/273,240 Expired - Lifetime US6771909B2 (en) | 1998-06-22 | 2002-10-17 | Digital optical transmitter |
US10/283,716 Expired - Lifetime US7382981B2 (en) | 1998-06-22 | 2002-10-30 | Digital optical transmitter |
US11/931,281 Expired - Fee Related US7773879B2 (en) | 1998-06-22 | 2007-10-31 | Digital optical transmitter |
Family Applications Before (5)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/102,344 Expired - Lifetime US6373611B1 (en) | 1998-06-22 | 1998-06-22 | Digital optical transmitter |
US09/872,307 Abandoned US20010026389A1 (en) | 1998-06-22 | 2001-06-01 | Digital optical transmitter |
US09/997,068 Expired - Lifetime US6519067B2 (en) | 1998-06-22 | 2001-11-29 | Digital optical transmitter |
US10/273,240 Expired - Lifetime US6771909B2 (en) | 1998-06-22 | 2002-10-17 | Digital optical transmitter |
US10/283,716 Expired - Lifetime US7382981B2 (en) | 1998-06-22 | 2002-10-30 | Digital optical transmitter |
Country Status (1)
Country | Link |
---|---|
US (6) | US6373611B1 (en) |
Families Citing this family (56)
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US6373611B1 (en) * | 1998-06-22 | 2002-04-16 | Scientific-Atlanta, Inc. | Digital optical transmitter |
US7016308B1 (en) * | 1999-03-19 | 2006-03-21 | Broadband Royalty Corporation | Digital return path for hybrid fiber/coax network |
US6523177B1 (en) * | 1999-04-01 | 2003-02-18 | Scientific-Atlanta, Inc. | Cable television system with digital reverse path architecture |
US7103907B1 (en) * | 1999-05-11 | 2006-09-05 | Tellabs Bedford, Inc. | RF return optical transmission |
US20030128983A1 (en) * | 1999-05-11 | 2003-07-10 | Buabbud George H. | Digital RF return over fiber |
US6460182B1 (en) * | 1999-05-11 | 2002-10-01 | Marconi Communications, Inc. | Optical communication system for transmitting RF signals downstream and bidirectional telephony signals which also include RF control signals upstream |
US6498663B1 (en) * | 1999-09-24 | 2002-12-24 | Scientific-Atlanta, Inc. | Methods and systems for detecting optical link performance of an optical link in a hybrid fiber coaxial path |
US7257328B2 (en) * | 1999-12-13 | 2007-08-14 | Finisar Corporation | System and method for transmitting data on return path of a cable television system |
US7222358B2 (en) * | 1999-12-13 | 2007-05-22 | Finisar Corporation | Cable television return link system with high data-rate side-band communication channels |
EP2094058B1 (en) | 2000-03-27 | 2013-01-16 | LGC Wireless, LLC | A radio frequency signal distribution system |
US6912060B1 (en) * | 2000-07-05 | 2005-06-28 | Lexmark International, Inc. | Photoprinter control of peripheral devices |
US6704545B1 (en) | 2000-07-19 | 2004-03-09 | Adc Telecommunications, Inc. | Point-to-multipoint digital radio frequency transport |
US6462851B1 (en) * | 2001-04-23 | 2002-10-08 | Scientific-Atlanta, Inc. | Network and method for transmitting reverse analog signals by sub-sampling the digital reverse bandwidth |
US6941076B1 (en) * | 2001-05-16 | 2005-09-06 | Terabeam Corporation | Tone modulation for out-of-band communication in a free-space optical communication link |
US6865345B2 (en) * | 2001-08-28 | 2005-03-08 | Agilent Technologies, Inc. | Frequency translating devices and frequency translating measurement systems that utilize light-activated resistors |
US6934310B2 (en) * | 2001-12-12 | 2005-08-23 | General Instrument Corporation | Return path transmitter having a closed laser control loop that is employed in a hybrid fiber / coax transmission |
US6824324B2 (en) * | 2001-12-14 | 2004-11-30 | Hewlett-Packard Development Company, L.P. | Technique for providing a pivot structure that facilitates the rapid formation of pivot couplings between components |
US7971225B2 (en) * | 2002-02-08 | 2011-06-28 | Finisar Corporation | Bandpass component decimation and transmission of data in cable television digital return path |
US8156535B2 (en) * | 2002-02-12 | 2012-04-10 | Finsar Corporation | Data rate compression device for cable television return path using bandpass puncturing |
US7725036B2 (en) | 2002-02-12 | 2010-05-25 | Finisar Corporation | Efficient transmission of digital return path data in cable television return path |
US7751718B2 (en) * | 2002-02-12 | 2010-07-06 | Finisar Corporation | Efficient transmission of digital return path data in cable television return path |
US7359447B2 (en) * | 2002-02-19 | 2008-04-15 | Finisar Corporation | Asynchronous digital signal combiner and method of combining asynchronous digital signals in cable television return path |
US8380143B2 (en) | 2002-05-01 | 2013-02-19 | Dali Systems Co. Ltd | Power amplifier time-delay invariant predistortion methods and apparatus |
US8811917B2 (en) | 2002-05-01 | 2014-08-19 | Dali Systems Co. Ltd. | Digital hybrid mode power amplifier system |
DE60306581T2 (en) * | 2002-05-15 | 2007-07-05 | Matsushita Electric Industrial Co. Ltd. | Optical transmission system for a cable television upstream direction |
US7689128B2 (en) * | 2002-10-30 | 2010-03-30 | Finisar Corporation | Return path transmitter with extended digital processing circuitry |
US7519297B2 (en) | 2002-11-08 | 2009-04-14 | Finisar Corporation | Cable television system with separate radio frequency hub and ethernet hub |
US8958789B2 (en) | 2002-12-03 | 2015-02-17 | Adc Telecommunications, Inc. | Distributed digital antenna system |
DE60304436T2 (en) * | 2003-01-14 | 2006-08-24 | Agilent Technologies, Inc. (n.d.Ges.d.Staates Delaware), Palo Alto | Method and device for coupling a pilot tone into a digital signal |
KR100532309B1 (en) * | 2003-04-21 | 2005-11-29 | 삼성전자주식회사 | Method for temperature-independent injection-locking of fabry-perot lasers and wavelength division multiplexed optical source using the same |
GB2435137B (en) * | 2003-09-11 | 2008-04-02 | Avago Technologies Fiber Ip | Optical transceiver with function generator |
GB2406010B (en) * | 2003-09-11 | 2007-07-11 | Agilent Technologies Inc | Optical Transceiver |
US20050111844A1 (en) * | 2003-11-26 | 2005-05-26 | Comcast Cable Holdings, Llc | Apparatus and method for providing HFC forward path spectrum |
WO2005057816A1 (en) * | 2003-12-08 | 2005-06-23 | Siemens Aktiengesellschaft | Modulator and demodulator for passive optical network |
US20050166219A1 (en) * | 2004-01-22 | 2005-07-28 | Chen Annie O. | Method and apparatus for providing access protection in a digital television distribution system |
US7519078B2 (en) * | 2004-05-12 | 2009-04-14 | Finisar Corporation | Automated ethernet configuration of CATV network |
US8032916B2 (en) * | 2004-05-12 | 2011-10-04 | Finisar Corporation | Single master clock control of Ethernet data transfer over both a cable TV return path and an Ethernet forward path |
US7765576B2 (en) * | 2004-05-12 | 2010-07-27 | Finsiar Corporation | Changing communication mode in a CATV pathway using mute commands |
US7761011B2 (en) * | 2005-02-23 | 2010-07-20 | Kg Technology Associates, Inc. | Optical fiber communication link |
CN104202279A (en) | 2006-12-26 | 2014-12-10 | 大力系统有限公司 | Method and system for baseband predistortion linearization in multi-channel wideband communication systems |
US20110268446A1 (en) | 2010-05-02 | 2011-11-03 | Cune William P | Providing digital data services in optical fiber-based distributed radio frequency (rf) communications systems, and related components and methods |
US9525488B2 (en) | 2010-05-02 | 2016-12-20 | Corning Optical Communications LLC | Digital data services and/or power distribution in optical fiber-based distributed communications systems providing digital data and radio frequency (RF) communications services, and related components and methods |
CN103119865A (en) | 2010-08-16 | 2013-05-22 | 康宁光缆系统有限责任公司 | Remote antenna clusters and related systems, components, and methods supporting digital data signal propagation between remote antenna units |
CN103180844B (en) | 2010-08-17 | 2017-10-03 | 大力系统有限公司 | Neutral host architecture for distributing antenna system |
US8682338B2 (en) | 2010-09-14 | 2014-03-25 | Dali Systems Co., Ltd. | Remotely reconfigurable distributed antenna system and methods |
US9252874B2 (en) | 2010-10-13 | 2016-02-02 | Ccs Technology, Inc | Power management for remote antenna units in distributed antenna systems |
WO2012115843A1 (en) | 2011-02-21 | 2012-08-30 | Corning Cable Systems Llc | Providing digital data services as electrical signals and radio-frequency (rf) communications over optical fiber in distributed communications systems, and related components and methods |
US10659163B2 (en) | 2014-09-25 | 2020-05-19 | Corning Optical Communications LLC | Supporting analog remote antenna units (RAUs) in digital distributed antenna systems (DASs) using analog RAU digital adaptors |
WO2016071902A1 (en) | 2014-11-03 | 2016-05-12 | Corning Optical Communications Wireless Ltd. | Multi-band monopole planar antennas configured to facilitate improved radio frequency (rf) isolation in multiple-input multiple-output (mimo) antenna arrangement |
WO2016075696A1 (en) | 2014-11-13 | 2016-05-19 | Corning Optical Communications Wireless Ltd. | Analog distributed antenna systems (dass) supporting distribution of digital communications signals interfaced from a digital signal source and analog radio frequency (rf) communications signals |
WO2016098111A1 (en) | 2014-12-18 | 2016-06-23 | Corning Optical Communications Wireless Ltd. | Digital- analog interface modules (da!ms) for flexibly.distributing digital and/or analog communications signals in wide-area analog distributed antenna systems (dass) |
EP3235336A1 (en) | 2014-12-18 | 2017-10-25 | Corning Optical Communications Wireless Ltd. | Digital interface modules (dims) for flexibly distributing digital and/or analog communications signals in wide-area analog distributed antenna systems (dass) |
US10499269B2 (en) | 2015-11-12 | 2019-12-03 | Commscope Technologies Llc | Systems and methods for assigning controlled nodes to channel interfaces of a controller |
CN107341037A (en) * | 2017-07-21 | 2017-11-10 | Tcl移动通信科技(宁波)有限公司 | A kind of collocation method, storage device and the mobile terminal of mobile terminal radio frequency driving |
WO2020057733A1 (en) * | 2018-09-18 | 2020-03-26 | Telefonaktiebolaget Lm Ericsson (Publ) | Communication signal multiplexing and demultiplexing apparatus and methods |
US11509971B2 (en) | 2019-12-19 | 2022-11-22 | Antronix, Inc. | Distributed access architecture system for CATV |
Citations (23)
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US3995120A (en) | 1975-05-30 | 1976-11-30 | Gte Automatic Electric Laboratories Incorporated | Digital time-division multiplexing system |
US4709418A (en) * | 1983-09-14 | 1987-11-24 | British Telecommunications Public Limited Company | Wideband cable network |
US4759018A (en) | 1985-06-17 | 1988-07-19 | At&T Bell Laboratories | Higher order digital transmission system including a multiplexer and a demultiplexer |
US4763317A (en) | 1985-12-13 | 1988-08-09 | American Telephone And Telegraph Company, At&T Bell Laboratories | Digital communication network architecture for providing universal information services |
EP0318331A1 (en) | 1987-11-27 | 1989-05-31 | BRITISH TELECOMMUNICATIONS public limited company | Scrambling in a digital communications network |
US5018142A (en) | 1988-03-04 | 1991-05-21 | Digital Equipment Corporation | Technique for organizing and coding serial binary data from a plurality of data lines for transmission over a single transmission line |
US5420583A (en) | 1991-11-06 | 1995-05-30 | Cray Research, Inc. | Fiber optic channel extender interface method and apparatus |
US5426527A (en) * | 1991-11-12 | 1995-06-20 | Alliant Techsystems Inc. | System for transmitting multiple signals across a single fiber optic channel |
US5544161A (en) | 1995-03-28 | 1996-08-06 | Bell Atlantic Network Services, Inc. | ATM packet demultiplexer for use in full service network having distributed architecture |
US5559624A (en) | 1993-03-11 | 1996-09-24 | Lucent Technologies Inc. | Communication system based on remote interrogation of terminal equipment |
US5563815A (en) | 1993-08-30 | 1996-10-08 | Fostex Research & Development, Inc. | Digital tone oscillator for certain exact frequencies and method for generating tones |
US5644622A (en) | 1992-09-17 | 1997-07-01 | Adc Telecommunications, Inc. | Cellular communications system with centralized base stations and distributed antenna units |
US5694232A (en) * | 1995-12-06 | 1997-12-02 | Ericsson Raynet | Full duplex optical modem for broadband access network |
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US5896216A (en) * | 1996-04-05 | 1999-04-20 | Nippon Telegraph And Telephone Corporation | AM/PM converter and optical signal transmission system |
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US6041056A (en) | 1995-03-28 | 2000-03-21 | Bell Atlantic Network Services, Inc. | Full service network having distributed architecture |
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US6323793B1 (en) | 1999-04-23 | 2001-11-27 | General Instrument Corporation | HFC return path system using digital conversion and transport |
US6373611B1 (en) * | 1998-06-22 | 2002-04-16 | Scientific-Atlanta, Inc. | Digital optical transmitter |
US6978091B1 (en) * | 1997-02-25 | 2005-12-20 | Verizon Services Corp. | Methods and apparatus for generating local oscillation signals |
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DE4316811A1 (en) * | 1993-05-19 | 1994-11-24 | Philips Patentverwaltung | Optical transmission system with a laser diode |
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US6526581B1 (en) | 1999-08-03 | 2003-02-25 | Ucentric Holdings, Llc | Multi-service in-home network with an open interface |
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1998
- 1998-06-22 US US09/102,344 patent/US6373611B1/en not_active Expired - Lifetime
-
2001
- 2001-06-01 US US09/872,307 patent/US20010026389A1/en not_active Abandoned
- 2001-11-29 US US09/997,068 patent/US6519067B2/en not_active Expired - Lifetime
-
2002
- 2002-10-17 US US10/273,240 patent/US6771909B2/en not_active Expired - Lifetime
- 2002-10-30 US US10/283,716 patent/US7382981B2/en not_active Expired - Lifetime
-
2007
- 2007-10-31 US US11/931,281 patent/US7773879B2/en not_active Expired - Fee Related
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US3995120A (en) | 1975-05-30 | 1976-11-30 | Gte Automatic Electric Laboratories Incorporated | Digital time-division multiplexing system |
US4709418A (en) * | 1983-09-14 | 1987-11-24 | British Telecommunications Public Limited Company | Wideband cable network |
US4759018A (en) | 1985-06-17 | 1988-07-19 | At&T Bell Laboratories | Higher order digital transmission system including a multiplexer and a demultiplexer |
US4763317A (en) | 1985-12-13 | 1988-08-09 | American Telephone And Telegraph Company, At&T Bell Laboratories | Digital communication network architecture for providing universal information services |
EP0318331A1 (en) | 1987-11-27 | 1989-05-31 | BRITISH TELECOMMUNICATIONS public limited company | Scrambling in a digital communications network |
US5018142A (en) | 1988-03-04 | 1991-05-21 | Digital Equipment Corporation | Technique for organizing and coding serial binary data from a plurality of data lines for transmission over a single transmission line |
US5420583A (en) | 1991-11-06 | 1995-05-30 | Cray Research, Inc. | Fiber optic channel extender interface method and apparatus |
US5426527A (en) * | 1991-11-12 | 1995-06-20 | Alliant Techsystems Inc. | System for transmitting multiple signals across a single fiber optic channel |
US5644622A (en) | 1992-09-17 | 1997-07-01 | Adc Telecommunications, Inc. | Cellular communications system with centralized base stations and distributed antenna units |
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US5563815A (en) | 1993-08-30 | 1996-10-08 | Fostex Research & Development, Inc. | Digital tone oscillator for certain exact frequencies and method for generating tones |
US5790523A (en) | 1993-09-17 | 1998-08-04 | Scientific-Atlanta, Inc. | Testing facility for a broadband communications system |
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Title |
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Farahan, et al.; Final Office Action, mailed Dec. 28, 2005, filing date Oct. 30, 2002, U.S. Appl. No. 10/283,716. |
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Farahan, et al.; Notice of Allowance and Fees due, mailed Jul. 23, 2007, filing date Oct. 30, 2002, U.S. Appl. No. 10/283,716. |
Also Published As
Publication number | Publication date |
---|---|
US20030063352A1 (en) | 2003-04-03 |
US7382981B2 (en) | 2008-06-03 |
US6519067B2 (en) | 2003-02-11 |
US20010026389A1 (en) | 2001-10-04 |
US20030043438A1 (en) | 2003-03-06 |
US6373611B1 (en) | 2002-04-16 |
US20020033986A1 (en) | 2002-03-21 |
US6771909B2 (en) | 2004-08-03 |
US20080063403A1 (en) | 2008-03-13 |
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